console.log('343')
let a: any = 34
a = 'er'
let b: unknown = 35
b = 34
let d = 3
let c = 23
// c = b  下面的处理unknown
// 方式一
// c = b as number
// 方式二
c = <number>b
let e: object
e = {}
function aa(): void {
}
enum Gender {
	Male = 0,
	female = 1,
	Unknown
}
let f: { name: string, gender: Gender }
f = {
	name: 'wukong', gender: Gender.Male
}
let g;
let h:string
// export { }
